et. al. J. Am. Chem. Soc.
et. al. J. Am. Chem. Soc.
et. al. J. Am. Chem. Soc.
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
(Cp) 2ZrHCl, I 2<br />
THF, 90 %<br />
regioisomer 6 : 1<br />
Dithiane Coupling to Synthesize Vinyl Iodide<br />
Me<br />
I<br />
OTBS<br />
MeO<br />
HO<br />
1. DDQ, LiOH, 85 %<br />
Me<br />
2. triphosgene, py, 88 %<br />
3. TESOTf, 95 %<br />
Me<br />
I<br />
OTBS<br />
MeO<br />
O<br />
O<br />
Me<br />
ODMB<br />
OMe H<br />
O<br />
OTBS<br />
O<br />
OMe H<br />
O<br />
OTBS<br />
Me OPMB<br />
Me OTES<br />
OMe<br />
OMe<br />
+<br />
Me<br />
Me<br />
I<br />
NaBH 4, 86 %<br />
I<br />
OTBS<br />
MeO<br />
HO<br />
OTBS<br />
MeO<br />
O<br />
Me<br />
Me<br />
ODMB<br />
OMe H<br />
O<br />
OTBS<br />
ODMB<br />
OMe H<br />
O<br />
OTBS<br />
Me OPMB<br />
Me OPMB<br />
OMe<br />
DMP, NaHCO 3<br />
CH 2Cl 2, 88 %<br />
OMe<br />
Nicolaou, K. C. <strong>et</strong>. <strong>al</strong>. J. <strong>Am</strong>. <strong>Chem</strong>. <strong>Soc</strong>. ASAP